LXR linux-old/include/asm-ia64/cache.h

   1#ifndef _ASM_IA64_CACHE_H
   2#define _ASM_IA64_CACHE_H
   3
   4#include <linux/config.h>
   5
   6/*
   7 * Copyright (C) 1998-2000 Hewlett-Packard Co
   8 *      David Mosberger-Tang <davidm@hpl.hp.com>
   9 */
  10
  11/* Bytes per L1 (data) cache line.  */
  12#define L1_CACHE_SHIFT          CONFIG_IA64_L1_CACHE_SHIFT
  13#define L1_CACHE_BYTES          (1 << L1_CACHE_SHIFT)
  14
  15#ifdef CONFIG_SMP
  16# define SMP_CACHE_SHIFT        L1_CACHE_SHIFT
  17# define SMP_CACHE_BYTES        L1_CACHE_BYTES
  18#else
  19  /*
  20   * The "aligned" directive can only _increase_ alignment, so this is
  21   * safe and provides an easy way to avoid wasting space on a
  22   * uni-processor:
  23   */
  24# define SMP_CACHE_SHIFT        3
  25# define SMP_CACHE_BYTES        (1 << 3)
  26#endif
  27
  28#endif /* _ASM_IA64_CACHE_H */
  29